DrupalAPI.de

1. drupal
   1. drupal6
   2. drupal7

Uppercase a UTF-8 string.

Code

includes/unicode.inc, line 421

<?php
function drupal_strtoupper($text) {
  global $multibyte;
  if ($multibyte == UNICODE_MULTIBYTE) {
    return mb_strtoupper($text);
  }
  else {
    // Use C-locale for ASCII-only uppercase
    $text = strtoupper($text);
    // Case flip Latin-1 accented letters
    $text = preg_replace_callback('/\xC3[\xA0-\xB6\xB8-\xBE]/', '_unicode_caseflip', $text);
    return $text;
  }
}
?>